Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:07:31 2012

Optimize a model with 42748 rows, 39006 columns and 166266 nonzeros
Presolve removed 396 rows and 2 columns
Presolve time: 1.04s
Presolved: 42549 rows, 39004 columns, 203660 nonzeros
Variable types: 0 continuous, 39004 integer (39004 binary)
Found heuristic solution: objective 197.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32579    3.0001376e+00   4.014286e+01   0.000000e+00      5s
   40049    3.0001509e+00   1.302809e+02   0.000000e+00     10s
   45539    3.0001547e+00   3.538259e+00   0.000000e+00     15s
   47227    3.0000000e+00   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 3.000000e+00, 47227 iterations, 16.32 seconds
Total elapsed time = 31.26s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       3.0000000    3.00000   0.0%     -   32s

Explored 0 nodes (96152 simplex iterations) in 32.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%